#include "widget.h"
#include "ui_widget.h"

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
    ui->tableWidget->insertRow(0);
    ui->tableWidget->insertRow(1);
    ui->tableWidget->insertRow(2);

    ui->tableWidget->insertColumn(0);
    ui->tableWidget->insertColumn(1);
    ui->tableWidget->insertColumn(2);


    ui->tableWidget->setHorizontalHeaderItem(0,new QTableWidgetItem("学号"));
    ui->tableWidget->setHorizontalHeaderItem(1,new QTableWidgetItem("姓名"));
    ui->tableWidget->setHorizontalHeaderItem(2,new QTableWidgetItem("年龄"));


    ui->tableWidget->setItem(0,0,new QTableWidgetItem("1"));
    ui->tableWidget->setItem(0,1,new QTableWidgetItem("张三"));
    ui->tableWidget->setItem(0,2,new QTableWidgetItem("15"));

    ui->tableWidget->setItem(1,0,new QTableWidgetItem("2"));
    ui->tableWidget->setItem(1,1,new QTableWidgetItem("李四"));
    ui->tableWidget->setItem(1,2,new QTableWidgetItem("16"));

    ui->tableWidget->setItem(2,0,new QTableWidgetItem("3"));
    ui->tableWidget->setItem(2,1,new QTableWidgetItem("王五"));
    ui->tableWidget->setItem(2,2,new QTableWidgetItem("14"));
}

Widget::~Widget()
{
    delete ui;
}


void Widget::on_pushButton_addRow_clicked()
{
    int row = ui->tableWidget->rowCount();
    ui->tableWidget->insertRow(row);
}

void Widget::on_pushButton_addColumn_clicked()
{
    int column = ui->tableWidget->columnCount();
    const QString& str = ui->lineEdit->text();
    ui->tableWidget->insertColumn(column);
    ui->tableWidget->setHorizontalHeaderItem(column,new QTableWidgetItem(str));
    ui->lineEdit->setText("");
}

void Widget::on_pushButton_delRow_clicked()
{
    int row = ui->tableWidget->currentRow();
    ui->tableWidget->removeRow(row);
}

void Widget::on_pushButton_delColumn_clicked()
{
    int column = ui->tableWidget->currentColumn();
    ui->tableWidget->removeColumn(column);
}
